Now You See Me . . . is a common Instant card from Unfinity (UNF), collector number 20. Current market price: $0.09 (foil $0.23), TCGplayer market prices via Scryfall.
Exile target creature you control, then return it to the battlefield under its owner's control with X +1/+1 counters on it, where X is the number of mirrors on walls you can see from your seat.